000 00328nam a2200145Ia 4500
020 _a0000000000
082 _b2953
_a796
100 _a"SETHI"
245 0 _a250 CHALLENGING PUZZLES
260 _bGood will
_aNew Delhi
_c2000
300 _a174
944 _cBK
999 _c395684
_d395684